#1 Ad Nauseum Another card that cannot win the game on its own, but Ad Nauseum is, arguably, one of the best cards in the Commander format
The Leader version (OP11-062 Parallel, $13-20) anchors Purple Big Mom Pirates decks that consistently top-cut Japanese tournaments, with deck-viewing ability providing crucial information advantage
Given how easily Zombie decks can load up their graveyard with whatever monsters they like, Mezuki is a must-have at 3 copies per deck
Jokulhaups Jokulhaups is the cheaper and harder-to-pronounce version of Obliterate, which charges you 2 extra mana to dodge counterspells
These cards often feature stronger moves or abilities, and are a step up in terms of gameplay utility or design
You can shuffle 1 Insect monster from your GY into the Deck, then draw 1 card